For a given poll, a professional polling firm states that it has "95 percent confidence that the maximum margin of sampling error is plus or minus four percentage points." What is the firm trying to say by claiming "95 percent confidence"?
A. There is a 95 percent chance that the poll is off by four points or more.
B. There is a 5 percent chance that the poll is off by four points or more.
C. There is a 95 percent chance that the poll is off by five points or more.
D. There is a 4 percent chance that the poll is off by five points or more.
E. There is a 5 percent chance that the poll is off by ninety-five points or more.
Answer: B
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